Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHn5PAcjnFeG6h2IqrOJbsPsWzg76y4Rp9S4eS5+nnvPE8L8T6zCdr2mSqx… (844 chars)"
  }
}